The workshop on Debris Impact on Emergency Coolant Recirculation was held in Albuquerque, the United States on 25-27 February 2004. It was organised under the auspices of the NEA Committee on the Saf...

This document is the third in a series of the NEA’s Committee on the Safety of Nuclear Installations (CSNI) Working Group on Operating Experience (WGOE) technical notes on nuclear power plant (NPP) r...

This document is the second in a series of CSNI Working Group on Operating Experience (WGOE) technical notes on recent events in nuclear power plants (NPPs). The purpose is to transmit WGOE views to ...

The Nuclear Energy Agency Committe on the Safety of Nuclear Installations (CSNI) addressed the issue of modifications at the workshop “Modifications at Nuclear Power Plants – Operating Experience, Sa...

The report provides the proceedings from the WGOE meeting discussion on the item of generic interest from September 2010. Additionally, this report aims to analyse the WGOE member country responses t...

The purpose of WGOE is to facilitate the exchange of information, experience, and lessons learnt related to operating experience between CNRA Member countries. The WGOE continues its mission to ident...

The NEA Committee on Nuclear Regulatory Activities (CNRA) authorised the formation of a task group in June 2011 to identify measures to enhance the integrity of the supply chain by minimising the inc...

The main objective of this international workshop held in Madrid, Spain, on 24-26 April 2017, was to provide a forum to exchange information and allow groups of nuclear safety experts to discuss thei...

Evaluation of safety significant events including the Fukushima Daiichi NPP accident indicate that lessons to be learnt from OPEX could provide an important prevention tool if implemented in a timely...

This report is the third in a series of the WGOE (Working Group on Operating Experience) of reports on recurring events. The first two reports NEA/CSNI/R(1999)19 and NEA/CSNI/R(2003)13 discussed a va...

The main objective of the CNRA Working Group on Operating Experience (WGOE) is to share experience and knowledge, analyse and provide expert insights from operating experience to reach timely conclus...

In order to capture the current situation, members of the WGOE IOEF Task Group provided short narratives outlining their national OEF practices. The IOEF Report notes that, in order to get a comprehe...

In 2006, the CNRA Working Group on Operating Experience (WGOE) began the task of examining national and international operating events databases in order to identify any potential safety issues relat...

The purpose of this task group report is to show existing national trending tasks and to assess the possibilities in trending of internationally reported events. The report discusses the opportunitie...

At its May 2009 meeting, the WGOE identified transformer failures as an issue of generic importance. The US NRC had identified that transformer failures had an increasing trend. Transfortmers are non...

On 25 July 2006, Forsmark Unit 1 experienced a short circuit in the offsite 400kV switchyard causing the inoperability of two emergency diesel generators. 

This event identified weaknesses in the ele...

Based on the regulatory actions underway or being considered in different member countries concerning their ability to maintain their corporate knowledge with respect to the ageing work force, the Co...

This appendix provides the complete compilation of responses received to the questionnaire issued in conjunction with the International Operating Experience Feedback Workshop. The workshop was coordi...

The Fukushima Daiichi NPP accident serves as a case study for various disciplines within nuclear sciences. Researchers worldwide in health physics, radio-ecology, severe accident analysis, and human ...

The previous report The Use of International Operating Experience Feedback for Improving Nuclear Safety, [NEA/CNRA/R(2008)3] addressed the proposal made at the December 2006 CNRA Meeting for the WGOE...

The Working Group on Operating Experience (WGOE) has observed that events with heavy loads are a contemporary issue to address after several operating experiences in recent years. The WGOE made a pro...